Localstack

**1. New Features**

* single edge port now stable for all APIs
* add CBOR encoding support for Kinesis API
* disable custom Java Lambda executor and replace with default lambci mechanism

**2. Enhancements**

* publish SNS messages asynchronously
* create env INIT_SCRIPTS_PATH to specify path for init files in Docker
* extract InputPath expression for notification messages to EventBus targets
* add signature and expiry validation for S3 presigned URLs
* add simple integration test for Terraform resources
* add CloudWatch as a static dependency for Lambda API
* add more fine-grained DynamoDB error injection with read/write error probabilities
* raise error when attempting to update CF stack with unmodified template
* minor refactoring of /graph endpoint

**3. Bug Fixes**

* fix edge route mapping for S3 HEAD requests
* fix invalid account ID in CloudWatch logs listener ARNs
* minor fix of XML root tag for S3 error responses
* fix issue with blocking sockets in HTTP2 server
* fix numeric timestamp format in Kinesis records required by Go SDK
* fix missing attributes when adding IAM permission to Lambda function
* fix case sensitivity for bucket names in S3 bucket notifications
* fix debug port parser for Java Lambda executor to support different formats

**0. !! Breaking Changes !!**

* Starting with this release, all services are now exposed via the edge service (port `4566`) only! Please update your client configurations to use this new endpoint.

**1. New Features**

* use edge service as single entry point, forward requests in-memory instead of opening port per service
* add download URLs for Elasticsearch 7.7 (new default version)
* add LAMBDA_DOCKER_DNS config to utilise custom DNS server for Lambda containers
* add switch to disable Lambda handler validation

**2. Enhancements**

* minor refactoring in SFN test code
* add integration test to verify MAP tasks in SFN state machines
* refactor CF logic for API GW resources and empty/Null values
* refactor API Gateway utils and test code
* refactor Lambda context handling
* refactor startup logs to print correct ports in output
* extend Serverless tests with SQS and API Gateway resources
* use S3 path addressing when host starts with localhost IP or hostname
* add test to assert event deletion for SQS Lambda event source
* add localhost.localstack.cloud as alias to SSL cert
* add Serverless integration tests to cover DynamoDB and Kinesis resources
* add Lambda request body length check
* performance improvements in plugin loading

**3. Bug Fixes**

* fix boolean values in IAM responses
* fix PutEvents API call with no source specified
* fix endless loop when S3 error document is missing
* fix Python path when running Lambdas using local executor
* fix "TypeName" as optional param for Elasticsearch v7
* fix error response for requests to non-activated APIs
* fix network_mode:bridge in `docker-compose.yml`

**0. !! Breaking Changes !!**

* Starting with releases *after* `v0.11.5` (i.e., `latest` and all future release tags), all services are now exposed via the edge service (port 4566) only! Please update your client configurations to use this new endpoint.

**1. New Features**

* add support for importing REST APIs from Swagger docs in API Gateway
* add config variable to customize the main Docker container name
* add missing attributes in Lambda events triggered from Kinesis
* concatenate Firehose batch records and combine them into single S3 objects
* return 304 if If-None-Match header is specified and S3 object ETag has not changed

**2. Enhancements**

* refactor util functions for AWS responses
* update Lambda environment variables on CF stack update
* allow setting MAX_POOL_CONNECTIONS via environment variable
* refactor logic to forward requests to S3_BACKEND
* read name of main Docker container dynamically based on hostname
* support gzipped S3 responses when requested via Accept-Encoding header
* refactor CloudFormation deployments for API Gateway
* use random available port for Lambda container server in Docker "host" network mode
* add DynamoDB error handling for query type ALL_ATTRIBUTES and projection type != ALL
* use paginator for DynamoDB list tables
* add adaptive, unbounded thread pool to avoid deadlocks on concurrent requests
* adjust timestamp format for JSON-safe object conversion
* cut out None from Delimiter tag in S3 responses
* use a mock client to prevent moto Lambda objects from talking to Docker
* add default values for DDB ProvisionedThroughput in CF
* add test to trigger Java Lambda from SNS event source
* add test for DynamoDB stream triggering Lambda event source
* add test to assert exception for DDB query on non-existing table

**3. Bug Fixes**

* fix Lambda event to match SNS message ID
* fix default region in edge service to avoid region mismatches
* fix EC2 creationTimestamp format
* fix edge route for /graph endpoint
* fix URL encoding of S3 object key names in SQS notification messages
* fix edge route for S3 bucket HEAD requests
* add several retries to make integration tests more resilient
* fix posting to SQS on queue URL with trailing slash
* fix CF/Serverless deployment for ApiGw APIs with missing root resource
* fix JSON serialization of event details on eventBridge put_events
* fix edge mapping for S3 PutObject requests
* fix CF deploy for API GW RestApi resource
* fix Lambda event from API Gateway to send HTTP method it was called with
* fix mismatch of crc32 hashes for patched SQS responses
* fix S3 compression for non-bytes string response body
* fix CF deployment of API Gateway integration and integration URI with empty path

**1. New Features**

* add initial support for ACM API
* support custom Lambda integration in API GW
* add config option for DynamoDB Java heap size
* add support for DynamoDB Global Tables
* add basic string functions in VLT templates

**2. Enhancements**

* build and push localstack-full image in CI, make light image the default
* support "sms" as SNS subscriber protocol
* support platform endpoints in SNS
* support client context passed to Node.js Lambda handler
* increase max threads in thread pool to improve concurrency
* enhance implementation and tests for API GW HTTP/HTTP_PROXY support
* support CF deletion of Lambda functions and IAM roles with inline policies
* add dummy AWS credentials to Lambda Docker containers
* add test for VPN Gateway attachment.vpc-id filter
* properly convert between Kinesis stream names and ARNs
* add support for pathPrefix in IAM list_users
* enhance command line ports parsing
* enhance CF support for ApiGateway::RestApi
* add option to use default Lambda endpoint for StepFunctions
* add tests to tag/untag SQS queues
* add tests for SQS FIFO queue with group/deduplication ID on multiple messages
* add test for SQS DLQ when maxReceiveCount is reached
* add missing region to EC2 getAccepterVpcInfo response
* make DDB stream creation asynchronous
* extend Java Lambda classpath
* add test to trigger multiple SNS subscriptions in the presence of handler errors
* replace ${filename} variable references in S3 presigned responses
* increase Quart server max content length
* add SQS as target in EventBridge

**3. Bug Fixes**

* fix HOSTNAME_EXTERNAL extraction to determine path-style addressing in S3
* fix RedrivePolicy for new SQS backend
* fix triple logs in debug mode
* fix format of Kinesis stream ARNs in CF
* fix DynamoDB TransactWriteItems with ConditionCheck
* fix DynamoDB stream MODIFY/INSERT event on UpdateItem for new item
* fix DynamoDbStreams get-shardId-iterator with AT_SEQUENCE_NUMBER
* fix proxy CORS headers
* add retries to fix intermittent SSL cert generation errors
* fix generation of random password in SSM
* fix API key checks for API GW paths with path params
* fix content-type in presigned S3 URLs
* fix SSL context creation error for multiple threads
* fix invocation of destination Lambda for Logs subscription filters
* return raw response in edge proxy to fix gzip encoded S3 content
* fix adding multiple permissions to single Lambda function
* return table name for DynamoDB table Ref in CF
* fix Docker port mapping for PORT_WEB_UI
* fix HTML escaping of SQS message attributes
* fix shardId format for DDB Streams
* fix S3 Content-MD5 base64 checks

**1. New Features**

* switch to Quart Server for initial version of HTTP/2 support for API endpoints
* add support for IAM SimulatePrincipalPolicy
* add persistence support for SNS
* add API Key validation in API GW
* support expiry in S3 multipart POST
* support Elasticsearch snapshot repo
* support StepFunctions targets in scheduled event rules
* move /health check endpoint to edge port
* use moto instead of ElasticMQ as default backend for SQS

**2. Enhancements**

* add thread synchronization to Lambda config initialization
* point Lambda LOCALSTACK_HOSTNAME to main container directly
* add CORS headers to all OPTIONS responses by default
* upgrade DynamoDB to latest backend version
* encode account ID in SQS queue URLs
* add handling of query parameters in SNS requests
* determine proper external port in SQS URLs
* add missing Record values to Kinesis stream listener response
* support CF condition based on AccountId
* delete event source mappings on deletion of DynamoDB table
* return proper response details on Lambda invocation error
* store SSL certs to random tmp files in case of permission issues
* enhance path matching for API Gateway invocations
* pass HTTP_PROXY to Lambda if configured
* skip Lambda invocation if event source mapping is in state Disabled
* cleanup asyncio thread pool on shutdown
* make sync/async Lambda event sources configurable
* add Firehose support for EventBridge targets
* pass multivalue headers from API GW to Lambda
* filter out Lambdas by region in ListFunctions
* remove Python 2 tests in CI
* add EventBridge schedule expression for HTTP subscribers
* add UnsubscribeURL to SNS notification message

**3. Bug Fixes**

* fix binary MessageAttribute for SNS->SQS
* fix CF deploy issue with SNS resources, IAM role policy document
* fix direct access to queue URLs with new SQS backend
* fix handling of S3 multipart form upload via edge port
* fix API GW response on DELETE Lambda integration
* fix Terraform deletion of EC2 NAT Gateways
* fix Windows host path for Lambda volume mounting
* fix error responses for S3 Content-MD5 header
* fix S3 bucket creation date for Java SDK v2
* fix handling of S3 LocationConstraint on bucket creation
* fix DynamoDB DeleteEventSourceMappings in case tableARN is None
* fix format of S3 InvalidRange error response
* fix edge mapping for CloudWatch, S3 HEAD requests, SQS requests
* fix DynamoDB shard IDs
* fix lower case for SQS->Lambda message attributes
* fix S3 CORS policy with single origin
* fix S3 storage class on multipart upload
* fix S3 timestamp format
* fix chunked encoding in S3 responses
* fix passed parameters on API Gateway proxy resource method call
* fix JSON safe dumping of bytes in API Gateway

**1. New Features**

* add API Gateway integration with DynamoDB
* add Lambda support for the dotnetcore3.1 runtime
* add persistence support to SQS API

**2. Enhancements**

* use dynamic instead of hardcoded backend service ports
* use random port for multiserver
* handle kms_key_arn/vpc_config in Lambda models
* add bucket existence checks for S3 operations
* refactor CLI and infra startup
* remove obsolete subprocess32 dependency
* optimize travis build for light image
* add name for non-existent Lambda in calls to LAMBDA_FALLBACK_URL
* add tests for CW getMetricData, API GW CreateModels, S3 listing 1000+ objects
* add tests for EC2 create_vpc_endpoint, S3 put/get bucket versioning
* add integration test for CloudWatch put_metric data
* add test case for SQS queue RedrivePolicy attribute

**3. Bug Fixes**

* fix mapping of CloudFormation account IDs
* fix health check for HTTPS endpoints with self-signed certs
* mock simple response for EC2 reserved instance APIs
* fix error handling on SQS sending of empty message batch